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Abstract

Described is a low profile separable Power Connector System for a Pluggable Power Regulator Package (power supply) to a Printed Circuit Board. This connector system is capable of handling high current levels, provides a low resistance contact with a short conductive path, is robust in design in that it can be adjusted for positional/locational tolerance and vibration/shock needs, can be used with English or Metric PCB grid systems, is not affected by thermal expansion/contraction or long term creep loads, will not cause solder joint fracture or damage at the PCB level and when compared to other means available in the connector industry, is a more cost effective and versatile packaging solution.

Country

United States

Language

English (United States)

This text was extracted from an ASCII text file.

This is the abbreviated version, containing approximately
52% of the total text.

Pluggable Power Connector

Described is
a low profile separable Power Connector System for
a Pluggable Power Regulator Package (power supply) to a Printed
Circuit Board. This connector system is
capable of handling high
current levels, provides a low resistance contact with a short
conductive path, is robust in design in that it can be adjusted for
positional/locational tolerance and vibration/shock needs, can be
used with English or Metric PCB grid systems, is not affected by
thermal expansion/contraction or long term creep loads, will not
cause solder joint fracture or damage at the PCB level and when
compared to other means available in the connector industry, is a
more cost effective and versatile packaging solution.

This power
supply plugs directly onto a PCB and is supported by
the cage structure as shown in Fig. 1.
The pluggable power supply is
driven toward the board by means of a linear actuating device (A)
such as levers, cam latches, screws, by the weight of the power
supply itself (gravity) or by the direct plug force exerted by the
installer. Typically, power supplies
have at least two electrical
potentials, one a voltage the other return (ground). The following
description discusses pairs or combinations of units to support this
requirement.

As
illustrated by Figs. 1 and 2, soldered to each PCB are sets
of solid copper blocks (B) which are overplated with precious metal
(typically Ni and Au). These blocks
serve as the rigid interface
(bearing surface) for the power connection and provide the electrical
path to that board. This path or
interface is provided by a land (C)
on the external surface of the PCB and is typically made up of a
series of smaller segmented lands or pads.
Residing within these pad
or land areas are sets of via holes which communicate electrically to
the internal wiring planes within the PCB.

The power
connection disclosed herein and described in Figs. 1
and 2 is made up of similar sets of hardware required to form each
individually isolated power potential.
The primary components of
each power connector assembly are copper cable blocks (D) plated with
Ni/Au and configured such to allow for the installation and retention
of a beryllium-copper gold plated louvered spring connector flexible
copper conductors (F), preferably constructed from thin laminates of
copper sheet stock and shielded with insulation on the exposed
outside surfaces. This laminated cable
allows for movement and
bending without permanent deformation of that cable during the mating
and plugging sequences. The laminated
cab...